void AvatarTest::CreateRoom ()
{
// Creating the background
// First we make a primitive for our geometry.
CS::Geometry::DensityTextureMapper bgMapper (0.3f);
CS::Geometry::TesselatedBox bgBox (csVector3 (-4000), csVector3 (4000));
bgBox.SetMapper (&bgMapper);
bgBox.SetFlags (CS::Geometry::Primitives::CS_PRIMBOX_INSIDE);
// Now we make a factory and a mesh at once.
csRef<iMeshWrapper> background =
CS::Geometry::GeneralMeshBuilder::CreateFactoryAndMesh (engine, room,
"background", "background_factory", &bgBox);
csRef<iMaterialWrapper> bgMaterial =
CS::Material::MaterialBuilder::CreateColorMaterial
(GetObjectRegistry (), "background", csColor (0.398f));
background->GetMeshObject()->SetMaterialWrapper (bgMaterial);
// Set up of the physical collider for the roof
if (physicsEnabled)
dynamicSystem->AttachColliderPlane (csPlane3 (csVector3 (0.0f, 1.0f, 0.0f), 0.0f),
10.0f, 0.0f);
// Creating lights
csRef<iLight> light;
iLightList* ll = room->GetLights ();
// This light is for the background
// TODO: putting instead the following line creates a black background, otherwise it is grey
// the behavior doesn't persist if the other lights are removed
//light = engine->CreateLight(0, csVector3(1, 1, -1), 9000, csColor (1));
light = engine->CreateLight(0, csVector3(1, 1, 0), 9000, csColor (1));
light->SetAttenuationMode (CS_ATTN_NONE);
ll->Add (light);
// Other lights
light = engine->CreateLight (0, csVector3 (3, 0, 0), 8, csColor (1));
light->SetAttenuationMode (CS_ATTN_REALISTIC);
ll->Add (light);
light = engine->CreateLight (0, csVector3 (-3, 0, 0), 8, csColor (1));
light->SetAttenuationMode (CS_ATTN_REALISTIC);
ll->Add (light);
light = engine->CreateLight (0, csVector3 (0, 0, -3), 8, csColor (1));
light->SetAttenuationMode (CS_ATTN_REALISTIC);
ll->Add (light);
light = engine->CreateLight (0, csVector3 (0, 0, 3), 8, csColor (1));
light->SetAttenuationMode (CS_ATTN_REALISTIC);
ll->Add (light);
light = engine->CreateLight (0, csVector3 (0, -3, 0), 8, csColor (1));
light->SetAttenuationMode (CS_ATTN_REALISTIC);
ll->Add (light);
engine->Prepare ();
CS::Lighting::SimpleStaticLighter::ShineLights (room, engine, 4);
}
void csDecal::BeginMesh(iMeshWrapper * mesh)
{
currMesh = 0;
// check if InitializePosition has been called with decent parameters
if (width <= 0.01f || height <= 0.01f)
return;
// check if we hit our maximum allowed triangles
if (indexCount >= CS_DECAL_MAX_TRIS_PER_DECAL * 3)
return;
firstIndex = indexCount;
const csReversibleTransform& trans =
mesh->GetMovable ()->GetFullTransform ();
localNormal = trans.Other2ThisRelative (normal);
localUp = trans.Other2ThisRelative (up);
localRight = trans.Other2ThisRelative (right);
vertOffset = localNormal * decalTemplate->GetDecalOffset ();
relPos = trans.Other2This (pos);
if (decalTemplate->HasClipping ())
{
// up
clipPlanes[0] = csPlane3 (-localUp, -height*0.5f + localUp * relPos);
// down
clipPlanes[1] = csPlane3 (localUp, -height*0.5f - localUp * relPos);
// left
clipPlanes[2] = csPlane3 (-localRight, -width*0.5f + localRight * relPos);
// right
clipPlanes[3] = csPlane3 (localRight, -width*0.5f - localRight * relPos);
numClipPlanes = 4;
// top
if (decalTemplate->HasTopClipping ())
{
topPlaneDist = decalTemplate->GetTopClippingScale () * radius;
clipPlanes[numClipPlanes++] = csPlane3 (-localNormal,
-topPlaneDist + localNormal * relPos);
}
// bottom
if (decalTemplate->HasBottomClipping ())
{
bottomPlaneDist = decalTemplate->GetBottomClippingScale () * radius;
clipPlanes[numClipPlanes++] = csPlane3 (localNormal,
-bottomPlaneDist - localNormal * relPos);
}
}
// we didn't encounter any errors, so validate the current mesh
currMesh = mesh;
}
void csBSPTree::Build (CS::TriangleIndicesStream<int>& triangles,
const csVector3* vertices)
{
const size_t triComponents = triangles.GetRemainingComponents();
csDirtyAccessArray<csPlane3> planes ((triComponents+2)/3);
csArray<int> triidx;
csDirtyAccessArray<csTriangle> tris ((triComponents+2)/3);
while (triangles.HasNext())
{
CS::TriangleT<int> t (triangles.Next());
planes.Push (csPlane3 (vertices[t.a], vertices[t.b], vertices[t.c]));
triidx.Push (int (tris.Push (t)));
}
Build (tris.GetArray(), planes.GetArray(), tris.GetSize(), vertices, triidx);
}
//---------------------------------------------------------------------------
csPlane3 csTransform::Other2This (const csPlane3 &p) const
{
csVector3 newnorm = m_o2t * p.norm;
// let N represent norm <A,B,C>, and X represent point <x,y,z>
//
// Old plane equation: N*X + D = 0
// There exists point X = <r*A,r*B,r*C> = r*N which satisfies the
// plane equation.
// => r*(N*N) + D = 0
// => r = -D/(N*N)
//
// New plane equation: N'*X' + D' = 0
// If M is the transformation matrix, and V the transformation vector,
// N' = M*N, and X' = M*(X-V). Assume that N' is already calculated.
// => N'*(M*(X-V)) + D' = 0
// => D' = -N'*(M*X) + N'*(M*V)
// = -N'*(M*(r*N)) + N'*(M*V)
// = -r*(N'*N') + N'*(M*V) = D*(N'*N')/(N*N) + N'*(M*V)
// Since N' is a rotation of N, (N'*N') = (N*N), thus
// D' = D + N'*(M*V)
//
return csPlane3 (newnorm, p.DD + newnorm * (m_o2t * v_o2t));
}
csPlane3 csTransform::Other2ThisRelative (const csPlane3 &p) const
{
csVector3 newnorm = m_o2t * p.norm;
return csPlane3 (newnorm, p.DD);
}
csPlane3 csReversibleTransform::This2OtherRelative (const csPlane3 &p) const
{
csVector3 newnorm = m_t2o * p.norm;
return csPlane3 (newnorm, p.DD);
}
//---------------------------------------------------------------------------
csPlane3 csReversibleTransform::This2Other (const csPlane3 &p) const
{
csVector3 newnorm = m_t2o * p.norm;
return csPlane3 (newnorm, p.DD - p.norm * (m_o2t * v_o2t));
}